CSS Crush is an extensible PHP based CSS preprocessor that aims to alleviate many of the hacks and workarounds necessary in modern CSS development. This plugin is a wrapper for CSS Crush that allows you to use it in ExpressionEngine templates.

GAPIfu is a wrapper for the Google Analytics PHP Interface (GAPI).
It allows you to run queries using the Google Analytics Query API, cache the result for a given time, and output as a Stash list.
Requires Stash.

This add-on is redundant - support for multiple entry IDs is now built in to Playa.
Extends the Playa module to allow retrieval of parent/child relationships for multiple entry ids. Specifically, you can add multiple entry ids to the entry_id parameter.